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The import android.support cannot be resolved

...Libraries tab. There click the Add External JARs Button on the Right pane. Select the android-support-v4.jar file, usually the path for the Jar file is : YOUR_DRIVE\android-sdks\extras\android\support\v4\android-support-v4.jar After adding android-support-v4.jar Library, navigate to the Order and E...
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How do I get the “id” after INSERT into MySQL database with Python?

... Does not works with duplicated records using insert, select and where. – e-info128 Oct 27 '18 at 19:20 add a comment  |  ...
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Visual Studio refuses to forget breakpoints?

... Try this select the Breakpoints toolbar item from the Debug toolbar. This brings up the Breakpoints window. From this window, you can view all breakpoints in the application. Here, you select and clear the breakpoint by clicking the D...
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Using LINQ to concatenate strings

... Real example from my code: return selected.Select(query => query.Name).Aggregate((a, b) => a + ", " + b); A query is an object that has a Name property which is a string, and I want the names of all the queries on the selected list, separated by comma...
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How do you use bcrypt for hashing passwords in PHP?

...pt works internally. And there are a TON of answers about that. Here are a selection that I've written, that I won't copy/paste here, but link to: Fundamental Difference Between Hashing And Encryption Algorithms - Explaining the terminology and some basic information about them. About reversing ha...
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How can I join multiple SQL tables using the IDs?

... You want something more like this: SELECT TableA.*, TableB.*, TableC.*, TableD.* FROM TableA JOIN TableB ON TableB.aID = TableA.aID JOIN TableC ON TableC.cID = TableB.cID JOIN TableD ON TableD.dID = TableA.dID WHERE DATE(Tab...
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How to select .NET 4.5.2 as a target framework in Visual Studio

... }, onDemand: true, discardSelector: ".discard-answer" ,immediatelyShowMarkdownHelp:true,enableSnippets:true }); } }); ...
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Is there a JSON equivalent of XQuery/XPath?

...g tools including filtering, recursive search, sorting, mapping, range selection, and flexible expressions with wildcard string comparisons and various operators. JSONselect has another point of view on the question (CSS selector-like, rather than XPath) and has a JavaScript implementation. ...
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How to find the size of an array in postgresql

...ikely) and are running PostgreSQL 9.4 or higher, you can use cardinality: SELECT cardinality(id) FROM example; share | improve this answer | follow | ...
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select into in mysql

... Use the CREATE TABLE SELECT syntax. http://dev.mysql.com/doc/refman/5.0/en/create-table-select.html CREATE TABLE new_tbl SELECT * FROM orig_tbl; share | ...